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operators (std::unordered_multiset)
operators (std::unordered_set)
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remove_if
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std::array
std::array::at
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std::array::crbegin
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std::array::empty
std::array::end
std::array::fill
std::array::front
std::array::max_size
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std::array::rbegin
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std::array::size
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std::deque
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std::deque::at
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std::deque::max_size
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std::forward_list::front
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std::forward_list::max_size
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std::list::max_size
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std::list::pop_front
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std::list::push_front
std::list::rbegin
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std::map::max_size
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std::map::operator[]
std::map::rbegin
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std::map::size
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std::map::try_emplace
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std::multimap::merge
std::multimap::multimap
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std::set
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std::set::max_size
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std::set::size
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std::set::upper_bound
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std::swap(std::priority_queue)
std::swap(std::queue)
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std::unordered_map
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std::unordered_multimap::empty
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std::unordered_multimap::end(int)
std::unordered_multimap::equal_range
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std::unordered_multimap::load_factor
std::unordered_multimap::max_bucket_count
std::unordered_multimap::max_load_factor
std::unordered_multimap::max_size
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std::unordered_multimap::unordered_multimap
std::unordered_multiset
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std::unordered_multiset::bucket_size
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std::unordered_multiset::cend
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std::unordered_multiset::end(int)
std::unordered_multiset::equal_range
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std::unordered_multiset::extract
std::unordered_multiset::find
std::unordered_multiset::get_allocator
std::unordered_multiset::hash_function
std::unordered_multiset::insert
std::unordered_multiset::key_eq
std::unordered_multiset::load_factor
std::unordered_multiset::max_bucket_count
std::unordered_multiset::max_load_factor
std::unordered_multiset::max_size
std::unordered_multiset::merge
std::unordered_multiset::rehash
std::unordered_multiset::reserve
std::unordered_multiset::size
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std::unordered_multiset::unordered_multiset
std::unordered_set
std::unordered_set::begin
std::unordered_set::begin(int)
std::unordered_set::bucket
std::unordered_set::bucket_count
std::unordered_set::bucket_size
std::unordered_set::cbegin
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std::unordered_set::cend
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std::unordered_set::end(int)
std::unordered_set::equal_range
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std::unordered_set::hash_function
std::unordered_set::insert
std::unordered_set::key_eq
std::unordered_set::load_factor
std::unordered_set::max_bucket_count
std::unordered_set::max_load_factor
std::unordered_set::max_size
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std::uses_allocator<std::priority_queue>
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std::vector::empty
std::vector::end
std::vector::erase
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std::vector::max_size
std::vector::operator[]
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std::multimap::max_size

std::multimap::max_size

size_type max_size() const;​​

Returns the maximum number of elements the container is able to hold due to system or library implementation limitations, i.e. std::distance(begin(), end()) for the largest container.

Parameters

(none).

Return value

Maximum number of elements.

Exceptions

(none)(until C++11)
noexcept specification: noexcept(since C++11)

Complexity

Constant.

Notes

This value typically reflects the theoretical limit on the size of the container. At runtime, the size of the container may be limited to a value smaller than max_size() by the amount of RAM available.

Example

​

#include <iostream>
#include <map>
 
int main()
{
    std::multimap<char,char> s;
    std::cout << "Maximum size of a 'multimap' is " << s.max_size() << "\n";
}

​

Possible output:

​

Maximum size of a 'multimap' is 18446744073709551615

​

See also

sizereturns the number of elements (public member function)

 © cppreference.com

Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.

http://en.cppreference.com/w/cpp/container/multimap/max_size

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